Added OnValidate, OnError, OnSuccess events to validators

2 files changed, 38 insertions, 1 deletions

diff --git a/HISTORY b/HISTORY
index 818bfd41..2534b883 100644
--- a/HISTORY
+++ b/HISTORY
@@ -6,6 +6,7 @@ BUG: Ticket#213 - PRADO Requirements Checker charset error (Qiang)
 CHG: ensureChildControls() is now invoked in TControl::initRecursive (Qiang)

 CHG: Postback enabled control will always disable default client-side browser action. (Qiang)

 CHG: CSS and JS files in a theme are now included in page in alphabetic order (Qiang)

+ENH: Ticket#206 - Added OnValidate, OnError, OnSuccess events to validators (Qiang)

 ENH: TRepeater, TDataList and TDataGrid will store data indices in DataKeys if DataKeyField is not set. (Qiang)

 ENH: Added TPageService.BasePageClass property (Qiang)

 

diff --git a/framework/Web/UI/WebControls/TBaseValidator.php b/framework/Web/UI/WebControls/TBaseValidator.php
index 54fea2ec..3b2f0ec6 100644
--- a/framework/Web/UI/WebControls/TBaseValidator.php
+++ b/framework/Web/UI/WebControls/TBaseValidator.php
@@ -473,10 +473,22 @@ abstract class TBaseValidator extends TLabel implements IValidator
 	 */
 	public function validate()
 	{
+		$this->onValidate();
 		$this->setIsValid(true);
 		$control=$this->getValidationTarget();
 		if($control && $this->getVisible(true) && $this->getEnabled())
-			$this->setIsValid($this->evaluateIsValid());
+		{
+			if($this->evaluateIsValid())
+			{
+				$this->setIsValid(true);
+				$this->onSuccess();
+			}
+			else
+			{
+				$this->setIsValid(false);
+				$this->onError();
+			}
+		}
 		return $this->getIsValid();
 	}
 
@@ -504,6 +516,30 @@ abstract class TBaseValidator extends TLabel implements IValidator
 	abstract protected function evaluateIsValid();
 
 	/**
+	 * This event is raised when the validator succeeds in validation.
+	 */
+	public function onSuccess()
+	{
+		$this->raiseEvent('OnSuccess',$this,null);
+	}
+
+	/**
+	 * This event is raised when the validator fails in validation.
+	 */
+	public function onError()
+	{
+		$this->raiseEvent('OnError',$this,null);
+	}
+
+	/**
+	 * This event is raised right before the validator starts to perform validation.
+	 */
+	public function onValidate()
+	{
+		$this->raiseEvent('OnValidate',$this,null);
+	}
+
+	/**
 	 * Renders the validator control.
 	 * @param THtmlWriter writer for the rendering purpose
 	 */